Home / 28,026,173,487.80-42,039,260,231.70-8,396,868,711.80

Finding the Fourth Proportional to 28,026,173,487.80, 42,039,260,231.70 and 8,396,868,711.80

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Solution

The fourth proportional to 28,026,173,487.80, 42,039,260,231.70 and 8,396,868,711.80 is: 12,595,303,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026,173,487.80 : 42,039,260,231.70 = 8,396,868,711.80 : x
  2. Step 2: Convert to fraction form
    28,026,173,487.80/42,039,260,231.70 = 8,396,868,711.80/x
  3. Step 3: Cross multiply
    28,026,173,487.80x = 42,039,260,231.70 × 8,396,868,711.80
  4. Step 4: Simplify right side
    28,026,173,487.80x = 352,998,148,906,779,738,112
  5. Step 5: Solve for x
    x = 352,998,148,906,779,738,112/28,026,173,487.80
  6. Step 6: Final answer
    x = 12,595,303,067.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.